From a990de90fe41456a23e58bd087d2f107d321f3a1 Mon Sep 17 00:00:00 2001
From: Valentin Popov <valentin@popov.link>
Date: Fri, 19 Jul 2024 16:37:58 +0400
Subject: Deleted vendor folder
---
vendor/encode_unicode/src/errors.rs | 289 ------------------------------------
1 file changed, 289 deletions(-)
delete mode 100644 vendor/encode_unicode/src/errors.rs
(limited to 'vendor/encode_unicode/src/errors.rs')
diff --git a/vendor/encode_unicode/src/errors.rs b/vendor/encode_unicode/src/errors.rs
deleted file mode 100644
index fb587fa..0000000
--- a/vendor/encode_unicode/src/errors.rs
+++ /dev/null
@@ -1,289 +0,0 @@
-/* Copyright 2016 The encode_unicode Developers
- *
- * Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
- * http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
- * http://opensource.org/licenses/MIT>, at your option. This file may not be
- * copied, modified, or distributed except according to those terms.
- */
-
-
-//! Boilerplatey error types
-
-extern crate core;
-use self::core::fmt::{self,Display,Formatter};
-#[cfg(feature="std")]
-use std::error::Error;
-
-
-macro_rules! description {($err:ty, $desc:expr) => {
- #[cfg(not(feature="std"))]
- impl $err {
- #[allow(missing_docs)]
- pub fn description(&self) -> &'static str {
- ($desc)(self)
- }
- }
- #[cfg(feature="std")]
- impl Error for $err {
- fn description(&self) -> &'static str {
- ($desc)(self)
- }
- }
- impl Display for $err {
- fn fmt(&self, fmtr: &mut Formatter) -> fmt::Result {
- write!(fmtr, "{}", self.description())
- }
- }
-}}
-
-
-macro_rules! single_cause {(#[$doc1:meta] #[$doc2:meta] $err:ident => $desc:expr) => {
- // Rust 1.15 doesn't understand $(#[$doc:meta])* $:ident
- #[$doc1]
- #[$doc2]
- #[derive(Clone,Copy, Debug, PartialEq,Eq)]
- pub struct $err;
- description!{$err, |_| $desc }
-}}
-
-
-single_cause!{
- /// Cannot tell whether an `u16` needs an extra unit,
- /// because it's a trailing surrogate itself.
- InvalidUtf16FirstUnit => "is a trailing surrogate"
-}
-
-single_cause!{
- /// Cannot create an `Utf8Char` or `Utf16Char` from the first codepoint of a str,
- /// because there are none.
- EmptyStrError => "is empty"
-}
-
-single_cause!{
- /// Cannot create an `Utf8Char` from a standalone `u8`
- /// that is not an ASCII character.
- NonAsciiError => "is not an ASCII character"
-}
-
-single_cause!{
- /// Cannot create an `Utf16Char` from a standalone `u16` that is not a
- /// codepoint in the basic multilingual plane, but part of a suurrogate pair.
- NonBMPError => "is not a codepoint in the basic multilingual plane"
-}
-
-
-
-macro_rules! simple {(#[$tydoc:meta] $err:ident {
- $($(#[$vardoc:meta])* ::$variant:ident => $string:expr),+,
- } ) => {
- #[$tydoc]
- #[derive(Clone,Copy, Debug, PartialEq,Eq)]
- pub enum $err {
- $($(#[$vardoc])* $variant),*
- }
- description!{$err, |e: &$err| match *e {$($err::$variant=>$string),*} }
-}}
-
-
-simple!{/// Reasons why an `u32` is not a valid UTF codepoint.
- InvalidCodepoint {
- /// It's reserved for UTF-16 surrogate pairs."
- ::Utf16Reserved => "is reserved for UTF-16 surrogate pairs",
- /// It's higher than the highest codepoint (which is 0x10ffff).
- ::TooHigh => "is higher than the highest codepoint",
- }}
-use self::InvalidCodepoint::*;
-impl InvalidCodepoint {
- /// Get the range of values for which this error would be given.
- pub fn error_range(self) -> (u32,u32) {match self {
- Utf16Reserved => (0xd8_00, 0xdf_ff),
- TooHigh => (0x00_10_ff_ff, 0xff_ff_ff_ff),
- }}
-}
-
-
-simple!{/// Reasons why a `[u16; 2]` doesn't form a valid UTF-16 codepoint.
- InvalidUtf16Array {
- /// The first unit is a trailing/low surrogate, which is never valid.
- ::FirstIsTrailingSurrogate => "the first unit is a trailing surrogate, which is never valid",
- /// The second unit is needed, but is not a trailing surrogate.
- ::SecondIsNotTrailingSurrogate => "the second unit is needed but is not a trailing surrogate",
- }}
-
-simple!{/// Reasons why one or two `u16`s are not valid UTF-16, in sinking precedence.
- InvalidUtf16Tuple {
- /// The first unit is a trailing/low surrogate, which is never valid.
- ///
- /// Note that the value of a low surrogate is actually higher than a high surrogate.
- ::FirstIsTrailingSurrogate => "the first unit is a trailing / low surrogate, which is never valid",
- /// You provided a second unit, but the first one stands on its own.
- ::SuperfluousSecond => "the second unit is superfluous",
- /// The first and only unit requires a second unit.
- ::MissingSecond => "the first unit requires a second unit",
- /// The first unit requires a second unit, but it's not a trailing/low surrogate.
- ///
- /// Note that the value of a low surrogate is actually higher than a high surrogate.
- ::InvalidSecond => "the required second unit is not a trailing / low surrogate",
- }}
-
-
-simple!{/// Reasons why a slice of `u16`s doesn't start with valid UTF-16.
- InvalidUtf16Slice {
- /// The slice is empty.
- ::EmptySlice => "the slice is empty",
- /// The first unit is a low surrogate.
- ::FirstLowSurrogate => "the first unit is a trailing surrogate",
- /// The first and only unit requires a second unit.
- ::MissingSecond => "the first and only unit requires a second one",
- /// The first unit requires a second one, but it's not a trailing surrogate.
- ::SecondNotLowSurrogate => "the required second unit is not a trailing surrogate",
- }}
-
-simple!{/// Types of invalid sequences encountered by `Utf16CharParser`.
- Utf16PairError {
- /// A trailing surrogate was not preceeded by a leading surrogate.
- ::UnexpectedTrailingSurrogate => "a trailing surrogate was not preceeded by a leading surrogate",
- /// A leading surrogate was followed by an unit that was not a trailing surrogate.
- ::UnmatchedLeadingSurrogate => "a leading surrogate was followed by an unit that was not a trailing surrogate",
- /// A trailing surrogate was expected when the end was reached.
- ::Incomplete => "a trailing surrogate was expected when the end was reached",
- }}
-
-
-simple!{/// Reasons why `Utf8Char::from_str()` or `Utf16Char::from_str()` failed.
- FromStrError {
- /// `Utf8Char` or `Utf16Char` cannot store more than a single codepoint.
- ::MultipleCodepoints => "has more than one codepoint",
- /// `Utf8Char` or `Utf16Char` cannot be empty.
- ::Empty => "is empty",
- }}
-
-
-simple!{/// Reasons why a byte is not the start of a UTF-8 codepoint.
- InvalidUtf8FirstByte {
- /// Sequences cannot be longer than 4 bytes. Is given for values >= 240.
- ::TooLongSeqence => "is greater than 247 (UTF-8 sequences cannot be longer than four bytes)",
- /// This byte belongs to a previous sequence. Is given for values between 128 and 192 (exclusive).
- ::ContinuationByte => "is a continuation of a previous sequence",
- }}
-use self::InvalidUtf8FirstByte::*;
-
-
-
-macro_rules! complex {
-($err:ty
- {$($sub:ty => $to:expr,)*}
- {$($desc:pat => $string:expr),+,}
- => $use_cause:expr =>
- {$($cause:pat => $result:expr),+,} $(#[$causedoc:meta])*
-) => {
- $(impl From<$sub> for $err {
- fn from(error: $sub) -> $err {
- $to(error)
- }
- })*
- #[cfg(not(feature="std"))]
- impl $err {
- #[allow(missing_docs)]
- pub fn description(&self) -> &'static str {
- match *self{ $($desc => $string,)* }
- }
- /// A hack to avoid two Display impls
- fn cause(&self) -> Option<&Display> {None}
- }
- #[cfg(feature="std")]
- impl Error for $err {
- fn description(&self) -> &'static str {
- match *self{ $($desc => $string,)* }
- }
- $(#[$causedoc])*
- fn cause(&self) -> Option<&Error> {
- match *self{ $($cause => $result,)* }
- }
- }
- impl Display for $err {
- fn fmt(&self, fmtr: &mut Formatter) -> fmt::Result {
- match (self.cause(), $use_cause) {
- (Some(d),true) => write!(fmtr, "{}: {}", self.description(), d),
- _ => write!(fmtr, "{}", self.description()),
- }
- }
- }
-}}
-
-
-/// Reasons why a byte sequence is not valid UTF-8, excluding invalid codepoint.
-/// In sinking precedence.
-#[derive(Clone,Copy, Debug, PartialEq,Eq)]
-pub enum InvalidUtf8 {
- /// Something is wrong with the first byte.
- FirstByte(InvalidUtf8FirstByte),
- /// The byte at index 1...3 should be a continuation byte,
- /// but dosesn't fit the pattern 0b10xx_xxxx.
- NotAContinuationByte(usize),
- /// There are too many leading zeros: it could be a byte shorter.
- ///
- /// [Decoding this could allow someone to input otherwise prohibited
- /// characters and sequences, such as "../"](https://tools.ietf.org/html/rfc3629#section-10).
- OverLong,
-}
-use self::InvalidUtf8::*;
-complex!{InvalidUtf8 {
- InvalidUtf8FirstByte => FirstByte,
- } {
- FirstByte(TooLongSeqence) => "the first byte is greater than 239 (UTF-8 sequences cannot be longer than four bytes)",
- FirstByte(ContinuationByte) => "the first byte is a continuation of a previous sequence",
- OverLong => "the sequence contains too many zeros and could be shorter",
- NotAContinuationByte(_) => "the sequence is too short",
- } => false => {
- FirstByte(ref cause) => Some(cause),
- _ => None,
- }/// Returns `Some` if the error is a `InvalidUtf8FirstByte`.
-}
-
-
-/// Reasons why a byte array is not valid UTF-8, in sinking precedence.
-#[derive(Clone,Copy, Debug, PartialEq,Eq)]
-pub enum InvalidUtf8Array {
- /// Not a valid UTF-8 sequence.
- Utf8(InvalidUtf8),
- /// Not a valid unicode codepoint.
- Codepoint(InvalidCodepoint),
-}
-complex!{InvalidUtf8Array {
- InvalidUtf8 => InvalidUtf8Array::Utf8,
- InvalidCodepoint => InvalidUtf8Array::Codepoint,
- } {
- InvalidUtf8Array::Utf8(_) => "the sequence is invalid UTF-8",
- InvalidUtf8Array::Codepoint(_) => "the encoded codepoint is invalid",
- } => true => {
- InvalidUtf8Array::Utf8(ref u) => Some(u),
- InvalidUtf8Array::Codepoint(ref c) => Some(c),
- }/// Always returns `Some`.
-}
-
-
-/// Reasons why a byte slice is not valid UTF-8, in sinking precedence.
-#[derive(Clone,Copy, Debug, PartialEq,Eq)]
-pub enum InvalidUtf8Slice {
- /// Something is certainly wrong with the first byte.
- Utf8(InvalidUtf8),
- /// The encoded codepoint is invalid:
- Codepoint(InvalidCodepoint),
- /// The slice is too short; n bytes was required.
- TooShort(usize),
-}
-complex!{InvalidUtf8Slice {
- InvalidUtf8 => InvalidUtf8Slice::Utf8,
- InvalidCodepoint => InvalidUtf8Slice::Codepoint,
- } {
- InvalidUtf8Slice::Utf8(_) => "the sequence is invalid UTF-8",
- InvalidUtf8Slice::Codepoint(_) => "the encoded codepoint is invalid",
- InvalidUtf8Slice::TooShort(1) => "the slice is empty",
- InvalidUtf8Slice::TooShort(_) => "the slice is shorter than the sequence",
- } => true => {
- InvalidUtf8Slice::Utf8(ref u) => Some(u),
- InvalidUtf8Slice::Codepoint(ref c) => Some(c),
- InvalidUtf8Slice::TooShort(_) => None,
- }
-}
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